Learning programmable limit switch and method providing real-time passive feedback
CA 2336008 A1 · Owner: Mabee, Brian D. · Inventors: Vonderhaar, Timothy J.; Mabee, Brian D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a learning programmable limit switch for use in a motion system which provides passive feedback to a controller. The learning programmable limit switch is capable of causing the motion control system to operate in accordance with a user-programmed motion profile. The learning programmable limit switch provides the capability of accurately "learning" and controlling the positions at which a motion system changes velocity as well , as the timing at which the system causes a driven mechanism to for example, stop. The system is intended for use in variable speed drives hydraulic, pneumatic drive systems or any system where real time passive feedback , control is …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 16, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 16, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 16, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.